Pennetta, at 33 the oldest first-time Grand Slam finalist in the Open era, on Saturday became the first Italian to win the US Open women's crown with an efficient 7-6 (4), 6-2 victory over compatriot and childhood friend Roberta Vinci.
Chinese number one female player Li Na had paid special attention to Friday's third round match against British teenager Laura Robson, who surprisingly knocked her out of the tournament at the same round last year.
Roger Federer and Serena Williams, stress-free and loving the limelight, strolled into the third round of the US Open on Thursday as the pressure began to mount at the season's last Grand Slam.
Victoria Azarenka's love affair with New York's hardcourts is starting to get serious. The Belarusian is so smitten with Flushing Meadows that she now thinks of them as an old lover.
Sara Errani became the highest seed to be knocked out of this year's US Open when she suffered a surprise 6-3 6-1 loss to Flavia Pennetta on Thursday.
It took 2004 US Open champion Svetlana Kuznetsova nearly three hours to reach the third round on Thursday after beating Peng Shuai from China 6-1, 4-6, 6-4 in a tough match.
Former champion Juan Martin del Potro outslugged a gritty Guillermo Garcia-Lopez in a contentious four-set match to reach the second round of the US Open on Wednesday.
Tim Smyczek can be forgiven for his slow start at the US Open on Wednesday, given his courtesy car ran out of gas on the way to Flushing Meadows and he momentarily feared he would not make it to the court at all.
Venus Williams is going to have a lot more time to prepare for her upcoming tournaments in Asia than she really wanted, thanks to one of Asia's top players.
China's fifth-seeded Li Na breezed into the third round of the US Open - and a revenge rematch against Britain's Laura Robson - with a 6-2, 6-2 triumph over 100th-ranked Sofia Arvidsson of Sweden on Wednesday.
Venus Williams dug herself out of deficits over and over again, until she simply ran out of solutions, exiting the US Open before the third round for the third year in a row.
From the earnest explanation of why Gary the Snail is her favorite SpongeBob SquarePants' character to the name-check of rapper Lil Wayne, Victoria Duval made quite clear she is very much a 17-year-old kid.
At this point in his career, Roger Federer recognizes the importance of a little extra work.